public class AirPlane {
    double flyhight;
    int seatnumber;

    public AirPlane(double flyhight,int seatnumber){
        this.flyhight=flyhight;
        this.seatnumber=seatnumber;
    }
  public String takeoff(){
      return "飞机在停机坪上缓慢起飞";
    }
    public String landing(){
      return "飞机在新桥机场缓慢降落";
    }
}
